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Coadded Spectroscopic Stellar Parameters and Abundances from the LAMOST Low Resolution Survey
Research Notes of the AAS Pub Date : 2021-02-03 , DOI: 10.3847/2515-5172/abe1b3
Jacob H. Hamer

I combine duplicate spectroscopic stellar parameter estimates in the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) Data Release 6 Low Resolution Spectral Survey A, F, G, and K Type stellar parameter catalog. Combining repeat measurements results in a factor of two improvement in the precision of the spectroscopic stellar parameter estimates. Moreover, this trivializes the process of performing coordinate-based cross-matching with other catalogs. Similarly, I combine duplicate stellar abundance estimates for the Xiang et al. catalog which was produced using LAMOST Data Release 5 Low Resolution Spectral Survey data. These data have numerous applications in stellar, galactic, and exoplanet astronomy. The catalogs I produce are available as machine-readable tables at https://doi.org/10.7281/T1/QISGRU.



中文翻译:

来自 LAMOST 低分辨率调查的叠加光谱恒星参数和丰度

我在大天空区域多目标光纤光谱望远镜 (LAMOST) 数据发布 6 低分辨率光谱调查 A、F、G 和 K 型恒星参数目录中结合了重复的光谱恒星参数估计。结合重复测量可以使光谱恒星参数估计的精度提高两倍。此外,这简化了与其他目录执行基于坐标的交叉匹配的过程。同样,我结合了向等人的重复恒星丰度估计。使用 LAMOST Data Release 5 低分辨率光谱调查数据制作的目录。这些数据在恒星、银河和系外行星天文学中有许多应用。我制作的目录可在 https://doi.org/10.7281/T1/QISGRU 上以机器可读表格的形式提供。

更新日期:2021-02-03
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